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Official data from INPI

APARELHO PARA DEGASEIFICAÇÃO DE ÁGUA E PROCESSO DE REMOVER GASES DISSOLVIDOS EM SOLUÇÃO COM A ÁGUA

ConcedidaInvention Patent

Application data

Number

PI8305414

Type

Invention Patent

Filing

09/30/1983

Publication

05/07/1985

Progress at the INPI

  1. Filing09/30/83
  2. Publication05/07/85
  3. Examination06/23/87
  4. Allowance12/13/88
  5. Grant08/29/89
  6. Terminated05/02/95

The patent was granted on 08/29/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. L. (pessoa física)

US

Inventors

H. L. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/13/1988

RPI 947

Exigência - art. 36 da LPI

#6.1

06/07/1988

RPI 920

Solicitação de exame técnico

#4.1

06/23/1987

RPI 870

Publicação do pedido de patente

#3.1

05/07/1985

RPI 759

Pedido de patente depositado

#2.1

12/13/1983

RPI 686

Anuidade - prazo legal encerrado

#18.2

05/02/1995

RPI 1274

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